Diamond Engagement Ring 14kt Two Tone Gold. A solitaire style diamond ring in 14kt two-tone gold. This ring is set with one round brilliant cut diamond weighing (0.46ct). The size 5 3/4 ring is hallmarked: 14K and is in very good condition. The ring was cast, assembled and handset with a bright polished finish. Included is an insurance appraisal of $1053.00.